Home / 9,421.92-13,002.66-5,230.17

Finding the Fourth Proportional to 9,421.92, 13,002.66 and 5,230.17

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Solution

The fourth proportional to 9,421.92, 13,002.66 and 5,230.17 is: 7,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.92 : 13,002.66 = 5,230.17 : x
  2. Step 2: Convert to fraction form
    9,421.92/13,002.66 = 5,230.17/x
  3. Step 3: Cross multiply
    9,421.92x = 13,002.66 × 5,230.17
  4. Step 4: Simplify right side
    9,421.92x = 68,006,122.25
  5. Step 5: Solve for x
    x = 68,006,122.25/9,421.92
  6. Step 6: Final answer
    x = 7,217.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.